Index / Search / Lolium perenne
§1 Plant
Lolium perenne L.
vernacular perennial ryegrass — species · Poaceae
§2Habit & range
Habit and range
- Growth habit
- Graminoid
- Duration
- Annual, Perennial
- Group
- Monocot
- Family
- Poaceae Barnhart
- Genus
- Lolium
§2a
Native status, by region
- AK Alaska Introduced
- CAN Canada Introduced
- GL Greenland Introduced
- HI Hawaii Introduced
- L48 Lower 48 States Introduced
- PR Puerto Rico Introduced
- SPM St. Pierre & Miquelon Introduced
§2b
County-level range
· 631 counties across 24 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- Low
- Shade
- High
- Moisture use
- High
- Fire
- Low
- Salinity
- High
- Anaerobic
- Low
- CaCO₃
- Medium
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -18 °F minimum
- Frost-free days
- 100 min.
- Precipitation
- 30–65 in/yr
- pH range
- 5–8
- Root depth
- 10 in min.
- Fertility need
- High
- Soil texture
- medium, fine
§3c
Form & growth
- Growth form
- Bunch
- Growth rate
- Rapid
- Lifespan
- Short
- Mature height
- 3.5 ft
- Foliage texture
- Fine
- Foliage colour
- Green
- Porosity (summer)
- Moderate
- Porosity (winter)
- Porous
- Flower colour
- Yellow
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Mid Spring
- Seed abundance
- High
- Seed begins
- Spring
- Seed ends
- Summer
- Spread rate
- Moderate
- Stratify
- No
- Seeds / lb
- 240,400
- Propagation
- seed
§3e
Use & availability
- Commercial availability
- Routinely Available
- Nursery stock
- No
- Browse palatability
- Low
- Graze palatability
- High
- Palatable, human
- No
- Protein potential
- Medium
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 631 counties across 24 states/territories.
Alabama view state ↗ 23 I ▾
- Baldwin 01003
- Butler 01013
- Chilton 01021
- Choctaw 01023
- Clay 01027
- Cleburne 01029
- Conecuh 01035
- Crenshaw 01041
- Cullman 01043
- Elmore 01051
- Greene 01063
- Hale 01065
- Jackson 01071
- Lawrence 01079
- Lee 01081
- Madison 01089
- Mobile 01097
- Montgomery 01101
- Perry 01105
- Pickens 01107
- Randolph 01111
- Sumter 01119
- Tuscaloosa 01125
Alaska view state ↗ 8 I ▾
Arizona view state ↗ 9 I ▾
Arkansas view state ↗ 40 I ▾
- Arkansas 05001
- Ashley 05003
- Benton 05007
- Boone 05009
- Bradley 05011
- Calhoun 05013
- Carroll 05015
- Cleburne 05023
- Cleveland 05025
- Columbia 05027
- Conway 05029
- Craighead 05031
- Crittenden 05035
- Desha 05041
- Drew 05043
- Faulkner 05045
- Franklin 05047
- Grant 05053
- Hempstead 05057
- Howard 05061
- Independence 05063
- Jefferson 05069
- Lawrence 05075
- Logan 05083
- Lonoke 05085
- Marion 05089
- Miller 05091
- Montgomery 05097
- Newton 05101
- Ouachita 05103
- Poinsett 05111
- Polk 05113
- Pulaski 05119
- Randolph 05121
- Saline 05125
- St. Francis 05123
- Stone 05137
- Union 05139
- Washington 05143
- Woodruff 05147
Delaware view state ↗ 2 I ▾
District of Columbia view state ↗ 1 I ▾
Florida view state ↗ 34 I ▾
- Alachua 12001
- Calhoun 12013
- Citrus 12017
- Clay 12019
- Columbia 12023
- Duval 12031
- Franklin 12037
- Hernando 12053
- Highlands 12055
- Hillsborough 12057
- Indian River 12061
- Jackson 12063
- Lake 12069
- Lee 12071
- Leon 12073
- Levy 12075
- Liberty 12077
- Madison 12079
- Manatee 12081
- Marion 12083
- Martin 12085
- Miami-Dade 12086
- Okaloosa 12091
- Okeechobee 12093
- Orange 12095
- Pasco 12101
- Pinellas 12103
- Polk 12105
- Seminole 12117
- St. Johns 12109
- Union 12125
- Volusia 12127
- Wakulla 12129
- Walton 12131
Georgia view state ↗ 17 I ▾
Kentucky view state ↗ 41 I ▾
- Barren 21009
- Bell 21013
- Boone 21015
- Bracken 21023
- Bullitt 21029
- Calloway 21035
- Campbell 21037
- Clark 21049
- Clay 21051
- Crittenden 21055
- Edmonson 21061
- Estill 21065
- Fayette 21067
- Floyd 21071
- Franklin 21073
- Fulton 21075
- Graves 21083
- Hardin 21093
- Harrison 21097
- Henry 21103
- Hickman 21105
- Jefferson 21111
- Kenton 21117
- Laurel 21125
- Lee 21129
- Lewis 21135
- Logan 21141
- Lyon 21143
- Madison 21151
- McCracken 21145
- Montgomery 21173
- Muhlenberg 21177
- Oldham 21185
- Pendleton 21191
- Pulaski 21199
- Rockcastle 21203
- Rowan 21205
- Trigg 21221
- Warren 21227
- Wayne 21231
- Webster 21233
Louisiana view state ↗ 63 I ▾
- Acadia 22001
- Allen 22003
- Ascension 22005
- Assumption 22007
- Avoyelles 22009
- Beauregard 22011
- Bienville 22013
- Bossier 22015
- Caddo 22017
- Calcasieu 22019
- Caldwell 22021
- Cameron 22023
- Catahoula 22025
- Claiborne 22027
- Concordia 22029
- De Soto 22031
- East Baton Rouge 22033
- East Carroll 22035
- East Feliciana 22037
- Evangeline 22039
- Franklin 22041
- Grant 22043
- Iberia 22045
- Iberville 22047
- Jackson 22049
- Jefferson 22051
- Jefferson Davis 22053
- Lafayette 22055
- Lafourche 22057
- LaSalle 22059
- Lincoln 22061
- Livingston 22063
- Madison 22065
- Morehouse 22067
- Natchitoches 22069
- Orleans 22071
- Ouachita 22073
- Plaquemines 22075
- Pointe Coupee 22077
- Rapides 22079
- Red River 22081
- Richland 22083
- Sabine 22085
- St. Charles 22089
- St. Helena 22091
- St. James 22093
- St. John the Baptist 22095
- St. Landry 22097
- St. Martin 22099
- St. Mary 22101
- St. Tammany 22103
- Tangipahoa 22105
- Tensas 22107
- Terrebonne 22109
- Union 22111
- Vermilion 22113
- Vernon 22115
- Washington 22117
- Webster 22119
- West Baton Rouge 22121
- West Carroll 22123
- West Feliciana 22125
- Winn 22127
Maine view state ↗ 9 I ▾
Maryland view state ↗ 2 I ▾
Massachusetts view state ↗ 14 I ▾
Mississippi view state ↗ 38 I ▾
- Amite 28005
- Carroll 28015
- Choctaw 28019
- Claiborne 28021
- Clay 28025
- Coahoma 28027
- DeSoto 28033
- Forrest 28035
- George 28039
- Hancock 28045
- Harrison 28047
- Hinds 28049
- Holmes 28051
- Humphreys 28053
- Issaquena 28055
- Jasper 28061
- Kemper 28069
- Lafayette 28071
- Lamar 28073
- Lauderdale 28075
- Lawrence 28077
- Lee 28081
- Leflore 28083
- Madison 28089
- Marshall 28093
- Newton 28101
- Pike 28113
- Quitman 28119
- Rankin 28121
- Scott 28123
- Sharkey 28125
- Tate 28137
- Tippah 28139
- Tishomingo 28141
- Tunica 28143
- Washington 28151
- Webster 28155
- Winston 28159
Montana view state ↗ 20 I ▾
New Hampshire view state ↗ 5 I ▾
New Jersey view state ↗ 17 I ▾
New York view state ↗ 48 I ▾
- Albany 36001
- Allegany 36003
- Bronx 36005
- Cattaraugus 36009
- Cayuga 36011
- Chautauqua 36013
- Chemung 36015
- Clinton 36019
- Columbia 36021
- Delaware 36025
- Erie 36029
- Essex 36031
- Franklin 36033
- Fulton 36035
- Hamilton 36041
- Kings 36047
- Livingston 36051
- Madison 36053
- Monroe 36055
- Nassau 36059
- New York 36061
- Niagara 36063
- Oneida 36065
- Onondaga 36067
- Ontario 36069
- Orange 36071
- Orleans 36073
- Putnam 36079
- Queens 36081
- Richmond 36085
- Rockland 36087
- Saratoga 36091
- Schenectady 36093
- Schoharie 36095
- Schuyler 36097
- St. Lawrence 36089
- Steuben 36101
- Suffolk 36103
- Sullivan 36105
- Tioga 36107
- Tompkins 36109
- Ulster 36111
- Warren 36113
- Washington 36115
- Wayne 36117
- Westchester 36119
- Wyoming 36121
- Yates 36123
North Carolina view state ↗ 70 I ▾
- Beaufort 37013
- Bertie 37015
- Bladen 37017
- Brunswick 37019
- Buncombe 37021
- Caswell 37033
- Catawba 37035
- Chatham 37037
- Cherokee 37039
- Chowan 37041
- Clay 37043
- Cleveland 37045
- Columbus 37047
- Craven 37049
- Cumberland 37051
- Davidson 37057
- Durham 37063
- Edgecombe 37065
- Forsyth 37067
- Franklin 37069
- Gaston 37071
- Granville 37077
- Greene 37079
- Guilford 37081
- Halifax 37083
- Harnett 37085
- Haywood 37087
- Henderson 37089
- Hertford 37091
- Hoke 37093
- Hyde 37095
- Iredell 37097
- Jackson 37099
- Johnston 37101
- Lee 37105
- Lenoir 37107
- Lincoln 37109
- Macon 37113
- Madison 37115
- Martin 37117
- McDowell 37111
- Mecklenburg 37119
- Montgomery 37123
- Northampton 37131
- Onslow 37133
- Orange 37135
- Pamlico 37137
- Pasquotank 37139
- Person 37145
- Pitt 37147
- Polk 37149
- Randolph 37151
- Richmond 37153
- Robeson 37155
- Rowan 37159
- Rutherford 37161
- Sampson 37163
- Scotland 37165
- Stokes 37169
- Surry 37171
- Swain 37173
- Transylvania 37175
- Tyrrell 37177
- Union 37179
- Vance 37181
- Warren 37185
- Washington 37187
- Wayne 37191
- Wilkes 37193
- Wilson 37195
Pennsylvania view state ↗ 48 I ▾
- Adams 42001
- Allegheny 42003
- Beaver 42007
- Bedford 42009
- Berks 42011
- Blair 42013
- Bucks 42017
- Butler 42019
- Cambria 42021
- Carbon 42025
- Centre 42027
- Chester 42029
- Clearfield 42033
- Clinton 42035
- Crawford 42039
- Cumberland 42041
- Dauphin 42043
- Delaware 42045
- Elk 42047
- Erie 42049
- Fayette 42051
- Forest 42053
- Franklin 42055
- Fulton 42057
- Greene 42059
- Huntingdon 42061
- Jefferson 42065
- Lackawanna 42069
- Lancaster 42071
- Lawrence 42073
- Lebanon 42075
- Lehigh 42077
- Luzerne 42079
- Lycoming 42081
- McKean 42083
- Mercer 42085
- Monroe 42089
- Montgomery 42091
- Northampton 42095
- Philadelphia 42101
- Pike 42103
- Schuylkill 42107
- Somerset 42111
- Susquehanna 42115
- Warren 42123
- Wayne 42127
- Westmoreland 42129
- York 42133
Rhode Island view state ↗ 2 I ▾
Vermont view state ↗ 9 I ▾
Virginia view state ↗ 75 I ▾
- Accomack 51001
- Albemarle 51003
- Amelia 51007
- Appomattox 51011
- Arlington 51013
- Botetourt 51023
- Brunswick 51025
- Campbell 51031
- Caroline 51033
- Carroll 51035
- Charles City 51036
- Charlotte 51037
- Chesapeake (city) 51550
- Chesterfield 51041
- Clarke 51043
- Culpeper 51047
- Cumberland 51049
- Dickenson 51051
- Dinwiddie 51053
- Essex 51057
- Fairfax 51059
- Fauquier 51061
- Fluvanna 51065
- Frederick 51069
- Giles 51071
- Gloucester 51073
- Goochland 51075
- Grayson 51077
- Halifax 51083
- Hampton (city) 51650
- Hanover 51085
- Henrico 51087
- Henry 51089
- Highland 51091
- Isle of Wight 51093
- James City 51095
- King and Queen 51097
- King George 51099
- King William 51101
- Lancaster 51103
- Lee 51105
- Loudoun 51107
- Lunenburg 51111
- Madison 51113
- Mathews 51115
- Mecklenburg 51117
- Middlesex 51119
- Montgomery 51121
- Nelson 51125
- Newport News (city) 51700
- Northampton 51131
- Nottoway 51135
- Page 51139
- Patrick 51141
- Pittsylvania 51143
- Powhatan 51145
- Prince Edward 51147
- Pulaski 51155
- Rappahannock 51157
- Roanoke 51161
- Rockingham 51165
- Scott 51169
- Shenandoah 51171
- Southampton 51175
- Spotsylvania 51177
- Stafford 51179
- Suffolk (city) 51800
- Surry 51181
- Sussex 51183
- Tazewell 51185
- Virginia Beach (city) 51810
- Warren 51187
- Washington 51191
- Westmoreland 51193
- York 51199
West Virginia view state ↗ 36 I ▾
- Barbour 54001
- Berkeley 54003
- Braxton 54007
- Brooke 54009
- Calhoun 54013
- Clay 54015
- Fayette 54019
- Gilmer 54021
- Grant 54023
- Greenbrier 54025
- Hampshire 54027
- Hancock 54029
- Hardy 54031
- Harrison 54033
- Jackson 54035
- Jefferson 54037
- Kanawha 54039
- Lincoln 54043
- Marshall 54051
- Mercer 54055
- Mineral 54057
- Monongalia 54061
- Nicholas 54067
- Ohio 54069
- Preston 54077
- Putnam 54079
- Raleigh 54081
- Randolph 54083
- Roane 54087
- Summers 54089
- Tucker 54093
- Upshur 54097
- Wayne 54099
- Webster 54101
- Wetzel 54103
- Wirt 54105
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/LOPE ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2706241 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T05:45:41Z